Some molecules act as both hormones and neurotransmitters. For example, norepinephrine is released into the blood by the adrenal glands as a hormone, but it also released as a neurotransmitter by sympathetic nerve endings.While there are similarities between these two chemical messengers, there are some obvious differences.or example, norepinephrine is released into the blood by the adrenal glands as a hormone, but it also released as a neurotransmitter by sympathetic nerve endings. While there are similarities between these two chemical messengers, there are some obvious differences.
What is the largest US bill printed? For public use in the US, $100 is currently the highest-value bill  issued.    At one time $500, $1,000, $5,000 and $10,000 were also printed.  Printing of all higherâ¦ denomination bills was suspended in 1945 due  to low demand.
The highest-denomination note ever printed was worth $100,000. The largest bill ever produced by the U.S. Bureau of Engraving and Printing was the $100,000 gold certificate. The currency notes were printed between December 18, 1934, and January 9, 1935, with the portrait of President Woodrow Wilson on the front. Donât ask your bank teller for a $100,000 bill, though.